EP3200939B1 - Verbesserte formblockrückkehr - Google Patents

Verbesserte formblockrückkehr Download PDF

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Publication number
EP3200939B1
EP3200939B1 EP15845617.8A EP15845617A EP3200939B1 EP 3200939 B1 EP3200939 B1 EP 3200939B1 EP 15845617 A EP15845617 A EP 15845617A EP 3200939 B1 EP3200939 B1 EP 3200939B1
Authority
EP
European Patent Office
Prior art keywords
mold
tunnel
blocks
drive mechanism
moving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15845617.8A
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English (en)
French (fr)
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EP3200939A1 (de
EP3200939A4 (de
Inventor
Manfred Arno Alfred Lupke
Stefan A. Lupke
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Individual
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Publication of EP3200939A1 publication Critical patent/EP3200939A1/de
Publication of EP3200939A4 publication Critical patent/EP3200939A4/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • B29C33/36—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable in one direction, e.g. in a closed circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/266—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/22—Corrugating
    • B29C53/30—Corrugating of tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/18—Pleated or corrugated hoses

Definitions

  • the present invention provides an apparatus and a method according to the independent claims. Preferable embodiments are provided in the respective dependent claims.
  • the present invention uses first and second drives of a mold block transfer station located adjacent to the exit of the moving mold tunnel.
  • the first drive arrangement initially primarily displaces the last mold block outwardly with respect to the longitudinal axis of the moving mold tunnel such that the mold block is clear of the product. This first movement is followed by rotation of the second drive arrangement to rotate the mold blocks for return to a mold block return path.
  • a separate drive component is used to engage the last mold block as it is about to be positioned at the end of the moving mold tunnel and the mold block is moved in a direction primarily away from the axis of the moving mold tunnel to a clear position. Once clear the mold block can be rotated approximately 180° and returned to a mold block return path.
  • This movement of the mold blocks requires an additional drive or drive stage that engages the last mold block and imparts a perpendicular movement to the last mold block such that moves in a primary direction to separate from the molded product.
  • This additional drive allows movement of the mold block to a clear position that is not dominated by the longitudinal movement of the mold blocks through the mold tunnel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (9)

  1. Rohr-Korrugator zum Herstellen eines Rohres (200), wobei der Korrugator gegenüberliegende Reihen von Formblöcken (8, 10) aufweist, die an einem Einlass (12) zusammenkommen und von einem primären Antrieb (30) angetrieben werden, um einen sich bewegenden Formtunnel (50) zu bilden, wobei sich die Formblöcke (8, 10) an einem Ausgang (14) des sich bewegenden Formtunnels (50) trennen, wobei die Verbesserung umfasst, dass jede Reihe von Formblöcken (8, 10) eine Formblock-Übergabestation (20) umfasst, die die Trennung von Formblöcken (8, 10) an dem Ausgang (14) des sich bewegenden Formtunnels (50) steuert; wobei die Formblock-Übergabestation (20) einen ersten Antriebsmechanismus und einen zweiten Antriebsmechanismus zum Bewegen eines letzten Blocks des sich bewegenden Formtunnels (50) an dem Ausgang (14) des sich bewegenden Formtunnels (50) aufweist;
    wobei der erste Antriebsmechanismus (30, 102, 104, 106) mit dem letzten Formblock (8a, 10a) in Eingriff steht und primär den letzten Formblock (8a, 10a) in einer Richtung im Wesentlichen senkrecht zu einer Längsachse des sich bewegenden Formtunnels (50) in eine freie Position verschiebt, in der sich ein Formhohlraum des letzten Formblocks (8a, 10a) ausreichend bewegt hat, um das geformte Rohr (200) freizugeben, und der letzte Formblock (8a, 10a) anschließend von einem zweiten Antriebsmechanismus (30) der jeweiligen Formblock-Übergabestation (20) gedreht wird, um zum Einlass (12) des sich bewegenden Formtunnels (50) zurückzukehren; dadurch gekennzeichnet, dass
    der erste Antriebsmechanismus (30, 102, 104, 106) eine Mehrzahl von Aktuatoren (28) zum Angreifen an einem an jedem Formblock (8a, 10a) vorgesehenen Übergabestift (24) und zum Bewegen eines in Eingriff befindlichen Formblocks (8a, 10a) in die freie Position umfasst, wobei jeder Aktuator (28) einen Greifer (22) und einen Betätigungsarm (26) aufweist.
  2. Rohr-Korrugator nach Anspruch 1, wobei der erste Antriebsmechanismus (30, 102, 104, 106) den letzten Formblock (8a, 10a) in die freie Position innerhalb einer Zeitspanne bewegt, die der Zeit entspricht, die erforderlich ist, um einen Formblock (8, 10) des sich bewegenden Formtunnels (50) um einen Abstand zu bewegen, der der Breite des Formblocks (8, 10) entspricht.
  3. Rohr-Korrugator nach Anspruch 1, wobei der erste Antriebsmechanismus (30, 102, 104, 106) mit dem zweiten Antriebsmechanismus (30) verbunden ist und sich mit diesem dreht.
  4. Rohr-Korrugator nach Anspruch 1 oder 3, wobei die Mehrzahl von Aktuatoren (28) des ersten Antriebsmechanismus (30, 102, 104, 106) wenigstens vier Aktuatoren (28) umfasst.
  5. Rohr-Korrugator nach einem der Ansprüche 1 bis 4, wobei die maximale Anzahl von Formblöcken (8, 10) in dem ersten Antriebsmechanismus (30, 102, 104, 106) und dem zweiten Antriebsmechanismus (30) zu jedem Zeitpunkt weniger als acht Formblöcke (8, 10) beträgt.
  6. Rohr-Korrugator nach einem der Ansprüche 1 bis 4, wobei die maximale Anzahl von Formblöcken (8, 10) in dem ersten Antriebsmechanismus (30, 102, 104, 106) und dem zweiten Antriebsmechanismus (30) zu jedem Zeitpunkt vier oder weniger beträgt.
  7. Verfahren zum Außer-Eingriff-Bringen an einem Ausgang (14) eines sich bewegenden Formtunnels (50) eines Rohr-Korrugators nach einem der vorhergehenden Ansprüche, der einen sich bewegenden Formtunnel aufweist, der durch aneinanderstoßende Formblöcke (8, 10) einer synchron angetriebenen ersten und zweiten Reihe von Formblöcken (8, 10) unter Verwendung eines ersten Antriebsmechanismus (30, 102, 104, 106) und eines zweiten Antriebsmechanismus (30) definiert ist, umfassend:
    • In-Eingriff-Bringen und Verschieben der letzten Formblöcke (8a, 10a) des sich bewegenden Formtunnels (50) durch den ersten Antriebsmechanismus (30, 102, 104, 106) in einer im Wesentlichen senkrechten Richtung weg von einer Längsachse des sich bewegenden Formtunnels (50), während sich der sich bewegende Formtunnel (50) über einen Abstand von weniger als der doppelten Breite eines Formblocks (8, 10) bewegt, um die verschobenen Formblöcke (8a, 10a) in einer freien Position weg von der Längsachse anzuordnen; und
    • anschließendes Drehen und Zuführen der verschobenen Formblöcke (8a, 10a) durch den zweiten Antriebsmechanismus (30) zu einem Einlass (12) des sich bewegenden Formtunnels (50);
    dadurch gekennzeichnet, dass
    • In-Eingriff-Bringen und Verschieben der letzten Formblöcke (8a, 10a) mittels der Greifer (22) und Betätigungsarme (26) der Mehrzahl von Aktuatoren des ersten Antriebsmechanismus (30, 102, 104, 106) erfolgen, die jeweils mit einem an jedem Formblock vorgesehenen Übergabestift in Eingriff stehen.
  8. Verfahren nach Anspruch 7, umfassend:
    • Begrenzen der Anzahl der Formblöcke (8, 10) zwischen dem durch einen abtrennenden letzten Formblock (8a, 10a) definierten Ausgang (14) des sich bewegenden Formtunnels (50) und einer Position, in der dem zweiten Antriebsmechanismus (30) Formblöcke (8a, 10a) zugeführt werden, auf weniger als acht Formblöcke (8, 10).
  9. Verfahren nach Anspruch 7, umfassend:
    • Begrenzen der Anzahl der Formblöcke (8, 10) zwischen dem letzten Formblock (8a, 10a) und einer Position, in der dem zweiten Antriebsmechanismus (30) Formblöcke (8a, 10a) zugeführt werden, auf vier Formblöcke (8a, 10a).
EP15845617.8A 2014-09-30 2015-09-30 Verbesserte formblockrückkehr Active EP3200939B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2865601A CA2865601C (en) 2014-09-30 2014-09-30 Mold block return
PCT/CA2015/000523 WO2016049747A1 (en) 2014-09-30 2015-09-30 Improved mold block return

Publications (3)

Publication Number Publication Date
EP3200939A1 EP3200939A1 (de) 2017-08-09
EP3200939A4 EP3200939A4 (de) 2018-05-23
EP3200939B1 true EP3200939B1 (de) 2022-06-29

Family

ID=55590191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15845617.8A Active EP3200939B1 (de) 2014-09-30 2015-09-30 Verbesserte formblockrückkehr

Country Status (12)

Country Link
US (1) US9969119B2 (de)
EP (1) EP3200939B1 (de)
JP (1) JP6669726B2 (de)
KR (1) KR102364138B1 (de)
CN (1) CN107427882B (de)
AU (1) AU2015327724B2 (de)
BR (1) BR112017003300B1 (de)
CA (1) CA2865601C (de)
MX (1) MX2017002578A (de)
PL (1) PL3200939T3 (de)
RU (1) RU2713525C2 (de)
WO (1) WO2016049747A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016112421B4 (de) * 2016-07-06 2021-10-21 Schlemmer Gmbh Corrugator, Extrusionsanlage sowie Verfahren
CA3032164A1 (en) * 2019-01-31 2020-07-31 Manfred A. A. Lupke Finned mold block with connecting ports
CA3224152A1 (en) * 2021-06-28 2023-01-05 Manfred A. A. Lupke System and method for mold block exchange on return track

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866230A (en) * 1956-02-24 1958-12-30 Pullman Vacuum Cleaner Corp Corrugated rubber tubing and its production
US3981663A (en) * 1973-09-10 1976-09-21 Lupke Gerd Paul Heinrich Apparatus for making high speed corrugated plastic tubing
DE2501044B2 (de) * 1975-01-13 1980-01-10 Fraenkische Isolierrohr- & Metallwaren-Werke, Gebr. Kirchner, 8729 Koenigsberg Vorrichtung zum Herstellen von Wellrohren aus thermoplastischem Kunststoff
US4504206A (en) 1982-01-21 1985-03-12 Lupke Manfred Arno Alfred Chainless mold drive for a corrugator or the like
DE3725286A1 (de) * 1987-07-30 1989-02-09 Wilhelm Hegler Verfahren und vorrichtung zum herstellen eines rippen-rohres aus kunststoff
US4789322A (en) * 1987-11-23 1988-12-06 Harry Chan Corrugator with intermeshing overlapping moldblock halves
CA2223520C (en) 1991-11-22 2001-02-06 Manfred A. A. Lupke Method and apparatus of forming profiled pipe
AU686094B2 (en) * 1992-09-25 1998-02-05 Big 'o' Inc. Method and apparatus for production of tubing
US5489201A (en) * 1993-04-15 1996-02-06 Cullom Machine Tool & Die, Inc. Plastic tile corrugator and mold blocks
US6193496B1 (en) * 1999-03-01 2001-02-27 Cullom Machine Tool & Die, Inc. Molding machine with mold block carriage
US6719942B1 (en) * 1999-09-08 2004-04-13 David A. Triplett Method and apparatus for production of tubing
DE10152638A1 (de) 2001-10-16 2003-04-24 Ralph Peter Hegler Vorrichtung zur Herstellung von gewellten Kunststoff-Rohren
KR100520316B1 (ko) * 2002-02-27 2005-10-14 주식회사 삼정파인스 이중관 또는 코러게이트형 이중관 제조설비
KR100547200B1 (ko) * 2003-11-04 2006-02-06 (주)동우인텍스 판넬제조용 캐터필러형 포밍장치
CN2712613Y (zh) * 2004-04-09 2005-07-27 上海金纬机械制造有限公司 用于波纹管材成型的在线强制真空冷却装置和传动装置
PL1612030T3 (pl) * 2004-07-03 2008-01-31 Hegler Ralph Peter Sposób ciągłej produkcji dwuściennej rury karbowanej z kielichem rury, dwuścienna rura karbowana i urządzenie do realizacji sposobu
DE102007049653A1 (de) * 2007-10-12 2009-04-16 Unicor Gmbh Vorrichtung zum Herstellen von thermoplastischen Wellrohren
DE102007049656A1 (de) * 2007-10-12 2009-04-23 Unicor Gmbh Korrugatoreinrichtung mit Greifer

Also Published As

Publication number Publication date
PL3200939T3 (pl) 2022-10-24
BR112017003300B1 (pt) 2021-08-10
US20170217080A1 (en) 2017-08-03
KR20170065492A (ko) 2017-06-13
JP6669726B2 (ja) 2020-03-18
CA2865601C (en) 2022-04-26
AU2015327724B2 (en) 2019-11-21
MX2017002578A (es) 2017-08-22
JP2017535444A (ja) 2017-11-30
RU2017104509A (ru) 2018-11-02
BR112017003300A2 (pt) 2018-12-18
US9969119B2 (en) 2018-05-15
CN107427882B (zh) 2019-12-31
RU2713525C2 (ru) 2020-02-05
CA2865601A1 (en) 2016-03-30
KR102364138B1 (ko) 2022-02-18
CN107427882A (zh) 2017-12-01
RU2017104509A3 (de) 2019-04-30
WO2016049747A1 (en) 2016-04-07
EP3200939A1 (de) 2017-08-09
AU2015327724A1 (en) 2017-02-16
EP3200939A4 (de) 2018-05-23

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